Regardless of the nutrients present in the soil, if the pH is not suitable plants cannot grow. Soils can be basic or acidic and usually measures between a pH of 4 and 10 on the pH scale. What pH level is best for most plant growth?

A) Most plants grow best in soils with a pH of between 4 and 5.

B) Most plants grow best in soils with a pH of between 5 and 7.

C) Most plants grow best in soils with a pH of between 4 and 10.

D) Most plants grow best in soils with a pH of between 7 and 10.